Supriya Ghosh (Editor)

.22 Accelerator

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Type  Rifle
55 gr (4 g) .30-30 SP  3,400 ft/s (1,000 m/s)
55 gr (4 g) .308 SP  3,770 ft/s (1,150 m/s)
Manufacturer  Remington Arms
3,400 ft/s (1,000 m/s)  1,412 ft·lbf (1,914 J)
3,770 ft/s (1,150 m/s)  1,735 ft·lbf (2,352 J)

The .22 Accelerator is a special loading of the .30-30, .308, and .30-06 cartridges that is manufactured by Remington. It consists of a sub-caliber 0.224-inch (5.7 mm) diameter bullet held in a .30-caliber 7-grain (0.45 g) six-fingered plastic sabot with a hollowed base. The bullet separates from the sabot approximately 14 inches (360 mm) from the muzzle. The cartridge allows for using a large-caliber rifle for varmint shooting, although the accuracy is somewhat diminished. The advantage, however, is the extremely high muzzle velocity from factory-loaded ammunition (see the info box).

References

.22 Accelerator Wikipedia